| troll(verb, wait, shout, whistle) |
| whine(noun, verb, wait, shout, buzz) |
| whistle(verb, wait, shout, croon) |
| belt out(verb, expression, sound, wait, shout) |
| burst into song(expression, idiom, wait, shout, whistle) |
| canary(verb, state, sound, wait, shout) |
| duet(verb, wait, shout, whistle) |
| groan(verb, state, sound, wait, shout) |
| harmonize(verb, wait, shout, whistle) |
| lift up a voice(expression, idiom, wait, shout, whistle) |
| line out(verb, expression, wait, shout, whistle) |
| lullaby(noun, verb, strain, track, wait) |
| make melody(verb, expression, wait, shout, whistle) |
| mouth(verb, wait, shout, whistle) |
| purr(verb, sound, wait, shout, buzz) |
| resound(verb, wait, shout, whistle) |
| solo(noun, verb, track, wait, air) |
| wait(verb, shout, whistle, croon) |